// SPDX-License-Identifier: GPL-2.0 /* * Kunit test for drm_modes functions */ #include #include #include #include #include #include #include #include #include #include "../drm_crtc_internal.h" struct drm_connector_init_priv { struct drm_device drm; struct drm_connector connector; struct i2c_adapter ddc; }; static const struct drm_connector_hdmi_funcs dummy_hdmi_funcs = { }; static const struct drm_connector_funcs dummy_funcs = { .atomic_destroy_state = drm_atomic_helper_connector_destroy_state, .atomic_duplicate_state = drm_atomic_helper_connector_duplicate_state, .reset = drm_atomic_helper_connector_reset, }; static int dummy_ddc_xfer(struct i2c_adapter *adapter, struct i2c_msg *msgs, int num) { return num; } static u32 dummy_ddc_func(struct i2c_adapter *adapter) { return I2C_FUNC_I2C | I2C_FUNC_SMBUS_EMUL; } static const struct i2c_algorithm dummy_ddc_algorithm = { .master_xfer = dummy_ddc_xfer, .functionality = dummy_ddc_func, }; static void i2c_del_adapter_wrapper(void *ptr) { struct i2c_adapter *adap = ptr; i2c_del_adapter(adap); } static int drm_test_connector_init(struct kunit *test) { struct drm_connector_init_priv *priv; struct device *dev; int ret; dev = drm_kunit_helper_alloc_device(test); KUNIT_ASSERT_NOT_ERR_OR_NULL(test, dev); priv = drm_kunit_helper_alloc_drm_device(test, dev, struct drm_connector_init_priv, drm, DRIVER_MODESET | DRIVER_ATOMIC); KUNIT_ASSERT_NOT_ERR_OR_NULL(test, priv); strscpy(priv->ddc.name, "dummy-connector-ddc", sizeof(priv->ddc.name)); priv->ddc.owner = THIS_MODULE; priv->ddc.algo = &dummy_ddc_algorithm; priv->ddc.dev.parent = dev; ret = i2c_add_adapter(&priv->ddc); KUNIT_ASSERT_EQ(test, ret, 0); ret = kunit_add_action_or_reset(test, i2c_del_adapter_wrapper, &priv->ddc); KUNIT_ASSERT_EQ(test, ret, 0); test->priv = priv; return 0; } /* * Test that the registration of a bog standard connector works as * expected and doesn't report any error. */ static void drm_test_drmm_connector_init(struct kunit *test) { struct drm_connector_init_priv *priv = test->priv; int ret; ret = drmm_connector_init(&priv->drm, &priv->connector, &dummy_funcs, DRM_MODE_CONNECTOR_HDMIA, &priv->ddc); KUNIT_EXPECT_EQ(test, ret, 0); } /* * Test that the registration of a connector without a DDC adapter * doesn't report any error. */ static void drm_test_drmm_connector_init_null_ddc(struct kunit *test) { struct drm_connector_init_priv *priv = test->priv; int ret; ret = drmm_connector_init(&priv->drm, &priv->connector, &dummy_funcs, DRM_MODE_CONNECTOR_HDMIA, NULL); KUNIT_EXPECT_EQ(test, ret, 0); } /* * Test that the registration of a connector succeeds for all possible * connector types. */ static void drm_test_drmm_connector_init_type_valid(struct kunit *test) { struct drm_connector_init_priv *priv = test->priv; unsigned int connector_type = *(unsigned int *)test->param_value; int ret; ret = drmm_connector_init(&priv->drm, &priv->connector, &dummy_funcs, connector_type, &priv->ddc); KUNIT_EXPECT_EQ(test, ret, 0); } static const unsigned int drm_connector_init_type_valid_tests[] = { DRM_MODE_CONNECTOR_Unknown, DRM_MODE_CONNECTOR_VGA, DRM_MODE_CONNECTOR_DVII, DRM_MODE_CONNECTOR_DVID, DRM_MODE_CONNECTOR_DVIA, DRM_MODE_CONNECTOR_Composite, DRM_MODE_CONNECTOR_SVIDEO, DRM_MODE_CONNECTOR_LVDS, DRM_MODE_CONNECTOR_Component, DRM_MODE_CONNECTOR_9PinDIN, DRM_MODE_CONNECTOR_DisplayPort, DRM_MODE_CONNECTOR_HDMIA, DRM_MODE_CONNECTOR_HDMIB, DRM_MODE_CONNECTOR_TV, DRM_MODE_CONNECTOR_eDP, DRM_MODE_CONNECTOR_VIRTUAL, DRM_MODE_CONNECTOR_DSI, DRM_MODE_CONNECTOR_DPI, DRM_MODE_CONNECTOR_WRITEBACK, DRM_MODE_CONNECTOR_SPI, DRM_MODE_CONNECTOR_USB, }; static void drm_connector_init_type_desc(const unsigned int *type, char *desc) { sprintf(desc, "%s", drm_get_connector_type_name(*type)); } KUNIT_ARRAY_PARAM(drm_connector_init_type_valid, drm_connector_init_type_valid_tests, drm_connector_init_type_desc); static struct kunit_case drmm_connector_init_tests[] = { KUNIT_CASE(drm_test_drmm_connector_init), KUNIT_CASE(drm_test_drmm_connector_init_null_ddc), KUNIT_CASE_PARAM(drm_test_drmm_connector_init_type_valid, drm_connector_init_type_valid_gen_params), { } }; static struct kunit_suite drmm_connector_init_test_suite = { .name = "drmm_connector_init", .init = drm_test_connector_init, .test_cases = drmm_connector_init_tests, }; /* * Test that the registration of a bog standard connector works as * expected and doesn't report any error. */ static void drm_test_connector_hdmi_init_valid(struct kunit *test) { struct drm_connector_init_priv *priv = test->priv; int ret; ret = drmm_connector_hdmi_init(&priv->drm, &priv->connector, "Vendor", "Product", &dummy_funcs, &dummy_hdmi_funcs, DRM_MODE_CONNECTOR_HDMIA, &priv->ddc, BIT(HDMI_COLORSPACE_RGB), 8); KUNIT_EXPECT_EQ(test, ret, 0); } /* * Test that the registration of a connector without a DDC adapter * doesn't report any error. */ static void drm_test_connector_hdmi_init_null_ddc(struct kunit *test) { struct drm_connector_init_priv *priv = test->priv; int ret; ret = drmm_connector_hdmi_init(&priv->drm, &priv->connector, "Vendor", "Product", &dummy_funcs, &dummy_hdmi_funcs, DRM_MODE_CONNECTOR_HDMIA, NULL, BIT(HDMI_COLORSPACE_RGB), 8); KUNIT_EXPECT_EQ(test, ret, 0); } /* * Test that the registration of an HDMI connector with a NULL vendor * fails. */ static void drm_test_connector_hdmi_init_null_vendor(struct kunit *test) { struct drm_connector_init_priv *priv = test->priv; int ret; ret = drmm_connector_hdmi_init(&priv->drm, &priv->connector, NULL, "Product", &dummy_funcs, &dummy_hdmi_funcs, DRM_MODE_CONNECTOR_HDMIA, &priv->ddc, BIT(HDMI_COLORSPACE_RGB), 8); KUNIT_EXPECT_LT(test, ret, 0); } /* * Test that the registration of an HDMI connector with a NULL product * fails. */ static void drm_test_connector_hdmi_init_null_product(struct kunit *test) { struct drm_connector_init_priv *priv = test->priv; int ret; ret = drmm_connector_hdmi_init(&priv->drm, &priv->connector, "Vendor", NULL, &dummy_funcs, &dummy_hdmi_funcs, DRM_MODE_CONNECTOR_HDMIA, &priv->ddc, BIT(HDMI_COLORSPACE_RGB), 8); KUNIT_EXPECT_LT(test, ret, 0); } /* * Test that the registration of a connector with a valid, shorter than * the max length, product name succeeds, and is stored padded with 0. */ static void drm_test_connector_hdmi_init_product_valid(struct kunit *test) { struct drm_connector_init_priv *priv = test->priv; const unsigned char expected_product[DRM_CONNECTOR_HDMI_PRODUCT_LEN] = { 'P', 'r', 'o', 'd', }; const char *product_name = "Prod"; int ret; KUNIT_ASSERT_LT(test, strlen(product_name), DRM_CONNECTOR_HDMI_PRODUCT_LEN); ret = drmm_connector_hdmi_init(&priv->drm, &priv->connector, "Vendor", product_name, &dummy_funcs, &dummy_hdmi_funcs, DRM_MODE_CONNECTOR_HDMIA, &priv->ddc, BIT(HDMI_COLORSPACE_RGB), 8); KUNIT_EXPECT_EQ(test, ret, 0); KUNIT_EXPECT_MEMEQ(test, priv->connector.hdmi.product, expected_product, sizeof(priv->connector.hdmi.product)); } /* * Test that the registration of a connector with a valid, at max * length, product name succeeds, and is stored padded without any * trailing \0. */ static void drm_test_connector_hdmi_init_product_length_exact(struct kunit *test) { struct drm_connector_init_priv *priv = test->priv; const unsigned char expected_product[DRM_CONNECTOR_HDMI_PRODUCT_LEN] = { 'P', 'r', 'o', 'd', 'u', 'c', 't', 'P', 'r', 'o', 'd', 'u', 'c', 't', 'P', 'r', }; const char *product_name = "ProductProductPr"; int ret; KUNIT_ASSERT_EQ(test, strlen(product_name), DRM_CONNECTOR_HDMI_PRODUCT_LEN); ret = drmm_connector_hdmi_init(&priv->drm, &priv->connector, "Vendor", product_name, &dummy_funcs, &dummy_hdmi_funcs, DRM_MODE_CONNECTOR_HDMIA, &priv->ddc, BIT(HDMI_COLORSPACE_RGB), 8); KUNIT_EXPECT_EQ(test, ret, 0); KUNIT_EXPECT_MEMEQ(test, priv->connector.hdmi.product, expected_product, sizeof(priv->connector.hdmi.product)); } /* * Test that the registration of a connector with a product name larger * than the maximum length fails. */ static void drm_test_connector_hdmi_init_product_length_too_long(struct kunit *test) { struct drm_connector_init_priv *priv = test->priv; const char *product_name = "ProductProductProduct"; int ret; KUNIT_ASSERT_GT(test, strlen(product_name), DRM_CONNECTOR_HDMI_PRODUCT_LEN); ret = drmm_connector_hdmi_init(&priv->drm, &priv->connector, "Vendor", product_name, &dummy_funcs, &dummy_hdmi_funcs, DRM_MODE_CONNECTOR_HDMIA, &priv->ddc, BIT(HDMI_COLORSPACE_RGB), 8); KUNIT_EXPECT_LT(test, ret, 0); } /* * Test that the registration of a connector with a vendor name smaller * than the maximum length succeeds, and is stored padded with zeros. */ static void drm_test_connector_hdmi_init_vendor_valid(struct kunit *test) { struct drm_connector_init_priv *priv = test->priv; const char expected_vendor[DRM_CONNECTOR_HDMI_VENDOR_LEN] = { 'V', 'e', 'n', 'd', }; const char *vendor_name = "Vend"; int ret; KUNIT_ASSERT_LT(test, strlen(vendor_name), DRM_CONNECTOR_HDMI_VENDOR_LEN); ret = drmm_connector_hdmi_init(&priv->drm, &priv->connector, vendor_name, "Product", &dummy_funcs, &dummy_hdmi_funcs, DRM_MODE_CONNECTOR_HDMIA, &priv->ddc, BIT(HDMI_COLORSPACE_RGB), 8); KUNIT_EXPECT_EQ(test, ret, 0); KUNIT_EXPECT_MEMEQ(test, priv->connector.hdmi.vendor, expected_vendor, sizeof(priv->connector.hdmi.vendor)); } /* * Test that the registration of a connector with a vendor name at the * maximum length succeeds, and is stored padded without the trailing * zero. */ static void drm_test_connector_hdmi_init_vendor_length_exact(struct kunit *test) { struct drm_connector_init_priv *priv = test->priv; const char expected_vendor[DRM_CONNECTOR_HDMI_VENDOR_LEN] = { 'V', 'e', 'n', 'd', 'o', 'r', 'V', 'e', }; const char *vendor_name = "VendorVe"; int ret; KUNIT_ASSERT_EQ(test, strlen(vendor_name), DRM_CONNECTOR_HDMI_VENDOR_LEN); ret = drmm_connector_hdmi_init(&priv->drm, &priv->connector, vendor_name, "Product", &dummy_funcs, &dummy_hdmi_funcs, DRM_MODE_CONNECTOR_HDMIA, &priv->ddc, BIT(HDMI_COLORSPACE_RGB), 8); KUNIT_EXPECT_EQ(test, ret, 0); KUNIT_EXPECT_MEMEQ(test, priv->connector.hdmi.vendor, expected_vendor, sizeof(priv->connector.hdmi.vendor)); } /* * Test that the registration of a connector with a vendor name larger * than the maximum length fails. */ static void drm_test_connector_hdmi_init_vendor_length_too_long(struct kunit *test) { struct drm_connector_init_priv *priv = test->priv; const char *vendor_name = "VendorVendor"; int ret; KUNIT_ASSERT_GT(test, strlen(vendor_name), DRM_CONNECTOR_HDMI_VENDOR_LEN); ret = drmm_connector_hdmi_init(&priv->drm, &priv->connector, vendor_name, "Product", &dummy_funcs, &dummy_hdmi_funcs, DRM_MODE_CONNECTOR_HDMIA, &priv->ddc, BIT(HDMI_COLORSPACE_RGB), 8); KUNIT_EXPECT_LT(test, ret, 0); } /* * Test that the registration of a connector with an invalid maximum bpc * count fails. */ static void drm_test_connector_hdmi_init_bpc_invalid(struct kunit *test) { struct drm_connector_init_priv *priv = test->priv; int ret; ret = drmm_connector_hdmi_init(&priv->drm, &priv->connector, "Vendor", "Product", &dummy_funcs, &dummy_hdmi_funcs, DRM_MODE_CONNECTOR_HDMIA, &priv->ddc, BIT(HDMI_COLORSPACE_RGB), 9); KUNIT_EXPECT_LT(test, ret, 0); } /* * Test that the registration of a connector with a null maximum bpc * count fails. */ static void drm_test_connector_hdmi_init_bpc_null(struct kunit *test) { struct drm_connector_init_priv *priv = test->priv; int ret; ret = drmm_connector_hdmi_init(&priv->drm, &priv->connector, "Vendor", "Product", &dummy_funcs, &dummy_hdmi_funcs, DRM_MODE_CONNECTOR_HDMIA, &priv->ddc, BIT(HDMI_COLORSPACE_RGB), 0); KUNIT_EXPECT_LT(test, ret, 0); } /* * Test that the registration of a connector with a maximum bpc count of * 8 succeeds, registers the max bpc property, but doesn't register the * HDR output metadata one. */ static void drm_test_connector_hdmi_init_bpc_8(struct kunit *test) { struct drm_connector_init_priv *priv = test->priv; struct drm_connector_state *state; struct drm_connector *connector = &priv->connector; struct drm_property *prop; uint64_t val; int ret; ret = drmm_connector_hdmi_init(&priv->drm, connector, "Vendor", "Product", &dummy_funcs, &dummy_hdmi_funcs, DRM_MODE_CONNECTOR_HDMIA, &priv->ddc, BIT(HDMI_COLORSPACE_RGB), 8); KUNIT_EXPECT_EQ(test, ret, 0); prop = connector->max_bpc_property; KUNIT_ASSERT_NOT_NULL(test, prop); KUNIT_EXPECT_NOT_NULL(test, drm_mode_obj_find_prop_id(&connector->base, prop->base.id)); ret = drm_object_property_get_default_value(&connector->base, prop, &val); KUNIT_EXPECT_EQ(test, ret, 0); KUNIT_EXPECT_EQ(test, val, 8); state = connector->state; KUNIT_EXPECT_EQ(test, state->max_bpc, 8); KUNIT_EXPECT_EQ(test, state->max_requested_bpc, 8); prop = priv->drm.mode_config.hdr_output_metadata_property; KUNIT_ASSERT_NOT_NULL(test, prop); KUNIT_EXPECT_NULL(test, drm_mode_obj_find_prop_id(&connector->base, prop->base.id)); } /* * Test that the registration of a connector with a maximum bpc count of * 10 succeeds and registers the max bpc and HDR output metadata * properties. */ static void drm_test_connector_hdmi_init_bpc_10(struct kunit *test) { struct drm_connector_init_priv *priv = test->priv; struct drm_connector_state *state; struct drm_connector *connector = &priv->connector; struct drm_property *prop; uint64_t val; int ret; ret = drmm_connector_hdmi_init(&priv->drm, connector, "Vendor", "Product", &dummy_funcs, &dummy_hdmi_funcs, DRM_MODE_CONNECTOR_HDMIA, &priv->ddc, BIT(HDMI_COLORSPACE_RGB), 10); KUNIT_EXPECT_EQ(test, ret, 0); prop = connector->max_bpc_property; KUNIT_ASSERT_NOT_NULL(test, prop); KUNIT_EXPECT_NOT_NULL(test, drm_mode_obj_find_prop_id(&connector->base, prop->base.id)); ret = drm_object_property_get_default_value(&connector->base, prop, &val); KUNIT_EXPECT_EQ(test, ret, 0); KUNIT_EXPECT_EQ(test, val, 10); state = connector->state; KUNIT_EXPECT_EQ(test, state->max_bpc, 10); KUNIT_EXPECT_EQ(test, state->max_requested_bpc, 10); prop = priv->drm.mode_config.hdr_output_metadata_property; KUNIT_ASSERT_NOT_NULL(test, prop); KUNIT_EXPECT_NOT_NULL(test, drm_mode_obj_find_prop_id(&connector->base, prop->base.id)); } /* * Test that the registration of a connector with a maximum bpc count of * 12 succeeds and registers the max bpc and HDR output metadata * properties. */ static void drm_test_connector_hdmi_init_bpc_12(struct kunit *test) { struct drm_connector_init_priv *priv = test->priv; struct drm_connector_state *state; struct drm_connector *connector = &priv->connector; struct drm_property *prop; uint64_t val; int ret; ret = drmm_connector_hdmi_init(&priv->drm, connector, "Vendor", "Product", &dummy_funcs, &dummy_hdmi_funcs, DRM_MODE_CONNECTOR_HDMIA, &priv->ddc, BIT(HDMI_COLORSPACE_RGB), 12); KUNIT_EXPECT_EQ(test, ret, 0); prop = connector->max_bpc_property; KUNIT_ASSERT_NOT_NULL(test, prop); KUNIT_EXPECT_NOT_NULL(test, drm_mode_obj_find_prop_id(&connector->base, prop->base.id)); ret = drm_object_property_get_default_value(&connector->base, prop, &val); KUNIT_EXPECT_EQ(test, ret, 0); KUNIT_EXPECT_EQ(test, val, 12); state = connector->state; KUNIT_EXPECT_EQ(test, state->max_bpc, 12); KUNIT_EXPECT_EQ(test, state->max_requested_bpc, 12); prop = priv->drm.mode_config.hdr_output_metadata_property; KUNIT_ASSERT_NOT_NULL(test, prop); KUNIT_EXPECT_NOT_NULL(test, drm_mode_obj_find_prop_id(&connector->base, prop->base.id)); } /* * Test that the registration of an HDMI connector with no supported * format fails. */ static void drm_test_connector_hdmi_init_formats_empty(struct kunit *test) { struct drm_connector_init_priv *priv = test->priv; int ret; ret = drmm_connector_hdmi_init(&priv->drm, &priv->connector, "Vendor", "Product", &dummy_funcs, &dummy_hdmi_funcs, DRM_MODE_CONNECTOR_HDMIA, &priv->ddc, 0, 8); KUNIT_EXPECT_LT(test, ret, 0); } /* * Test that the registration of an HDMI connector not listing RGB as a * supported format fails. */ static void drm_test_connector_hdmi_init_formats_no_rgb(struct kunit *test) { struct drm_connector_init_priv *priv = test->priv; int ret; ret = drmm_connector_hdmi_init(&priv->drm, &priv->connector, "Vendor", "Product", &dummy_funcs, &dummy_hdmi_funcs, DRM_MODE_CONNECTOR_HDMIA, &priv->ddc, BIT(HDMI_COLORSPACE_YUV422), 8); KUNIT_EXPECT_LT(test, ret, 0); } /* * Test that the registration of an HDMI connector with an HDMI * connector type succeeds. */ static void drm_test_connector_hdmi_init_type_valid(struct kunit *test) { struct drm_connector_init_priv *priv = test->priv; unsigned int connector_type = *(unsigned int *)test->param_value; int ret; ret = drmm_connector_hdmi_init(&priv->drm, &priv->connector, "Vendor", "Product", &dummy_funcs, &dummy_hdmi_funcs, connector_type, &priv->ddc, BIT(HDMI_COLORSPACE_RGB), 8); KUNIT_EXPECT_EQ(test, ret, 0); } static const unsigned int drm_connector_hdmi_init_type_valid_tests[] = { DRM_MODE_CONNECTOR_HDMIA, DRM_MODE_CONNECTOR_HDMIB, }; static void drm_connector_hdmi_init_type_desc(const unsigned int *type, char *desc) { sprintf(desc, "%s", drm_get_connector_type_name(*type)); } KUNIT_ARRAY_PARAM(drm_connector_hdmi_init_type_valid, drm_connector_hdmi_init_type_valid_tests, drm_connector_hdmi_init_type_desc); /* * Test that the registration of an HDMI connector with an !HDMI * connector type fails. */ static void drm_test_connector_hdmi_init_type_invalid(struct kunit *test) { struct drm_connector_init_priv *priv = test->priv; unsigned int connector_type = *(unsigned int *)test->param_value; int ret; ret = drmm_connector_hdmi_init(&priv->drm, &priv->connector, "Vendor", "Product", &dummy_funcs, &dummy_hdmi_funcs, connector_type, &priv->ddc, BIT(HDMI_COLORSPACE_RGB), 8); KUNIT_EXPECT_LT(test, ret, 0); } static const unsigned int drm_connector_hdmi_init_type_invalid_tests[] = { DRM_MODE_CONNECTOR_Unknown, DRM_MODE_CONNECTOR_VGA, DRM_MODE_CONNECTOR_DVII, DRM_MODE_CONNECTOR_DVID, DRM_MODE_CONNECTOR_DVIA, DRM_MODE_CONNECTOR_Composite, DRM_MODE_CONNECTOR_SVIDEO, DRM_MODE_CONNECTOR_LVDS, DRM_MODE_CONNECTOR_Component, DRM_MODE_CONNECTOR_9PinDIN, DRM_MODE_CONNECTOR_DisplayPort, DRM_MODE_CONNECTOR_TV, DRM_MODE_CONNECTOR_eDP, DRM_MODE_CONNECTOR_VIRTUAL, DRM_MODE_CONNECTOR_DSI, DRM_MODE_CONNECTOR_DPI, DRM_MODE_CONNECTOR_WRITEBACK, DRM_MODE_CONNECTOR_SPI, DRM_MODE_CONNECTOR_USB, }; KUNIT_ARRAY_PARAM(drm_connector_hdmi_init_type_invalid, drm_connector_hdmi_init_type_invalid_tests, drm_connector_hdmi_init_type_desc); static struct kunit_case drmm_connector_hdmi_init_tests[] = { KUNIT_CASE(drm_test_connector_hdmi_init_valid), KUNIT_CASE(drm_test_connector_hdmi_init_bpc_8), KUNIT_CASE(drm_test_connector_hdmi_init_bpc_10), KUNIT_CASE(drm_test_connector_hdmi_init_bpc_12), KUNIT_CASE(drm_test_connector_hdmi_init_bpc_invalid), KUNIT_CASE(drm_test_connector_hdmi_init_bpc_null), KUNIT_CASE(drm_test_connector_hdmi_init_formats_empty), KUNIT_CASE(drm_test_connector_hdmi_init_formats_no_rgb), KUNIT_CASE(drm_test_connector_hdmi_init_null_ddc), KUNIT_CASE(drm_test_connector_hdmi_init_null_product), KUNIT_CASE(drm_test_connector_hdmi_init_null_vendor), KUNIT_CASE(drm_test_connector_hdmi_init_product_length_exact), KUNIT_CASE(drm_test_connector_hdmi_init_product_length_too_long), KUNIT_CASE(drm_test_connector_hdmi_init_product_valid), KUNIT_CASE(drm_test_connector_hdmi_init_vendor_length_exact), KUNIT_CASE(drm_test_connector_hdmi_init_vendor_length_too_long), KUNIT_CASE(drm_test_connector_hdmi_init_vendor_valid), KUNIT_CASE_PARAM(drm_test_connector_hdmi_init_type_valid, drm_connector_hdmi_init_type_valid_gen_params), KUNIT_CASE_PARAM(drm_test_connector_hdmi_init_type_invalid, drm_connector_hdmi_init_type_invalid_gen_params), { } }; static struct kunit_suite drmm_connector_hdmi_init_test_suite = { .name = "drmm_connector_hdmi_init", .init = drm_test_connector_init, .test_cases = drmm_connector_hdmi_init_tests, }; struct drm_get_tv_mode_from_name_test { const char *name; enum drm_connector_tv_mode expected_mode; }; #define TV_MODE_NAME(_name, _mode) \ { \ .name = _name, \ .expected_mode = _mode, \ } static void drm_test_get_tv_mode_from_name_valid(struct kunit *test) { const struct drm_get_tv_mode_from_name_test *params = test->param_value; KUNIT_EXPECT_EQ(test, drm_get_tv_mode_from_name(params->name, strlen(params->name)), params->expected_mode); } static const struct drm_get_tv_mode_from_name_test drm_get_tv_mode_from_name_valid_tests[] = { TV_MODE_NAME("NTSC", DRM_MODE_TV_MODE_NTSC), TV_MODE_NAME("NTSC-443", DRM_MODE_TV_MODE_NTSC_443), TV_MODE_NAME("NTSC-J", DRM_MODE_TV_MODE_NTSC_J), TV_MODE_NAME("PAL", DRM_MODE_TV_MODE_PAL), TV_MODE_NAME("PAL-M", DRM_MODE_TV_MODE_PAL_M), TV_MODE_NAME("PAL-N", DRM_MODE_TV_MODE_PAL_N), TV_MODE_NAME("SECAM", DRM_MODE_TV_MODE_SECAM), TV_MODE_NAME("Mono", DRM_MODE_TV_MODE_MONOCHROME), }; static void drm_get_tv_mode_from_name_valid_desc(const struct drm_get_tv_mode_from_name_test *t, char *desc) { sprintf(desc, "%s", t->name); } KUNIT_ARRAY_PARAM(drm_get_tv_mode_from_name_valid, drm_get_tv_mode_from_name_valid_tests, drm_get_tv_mode_from_name_valid_desc); static void drm_test_get_tv_mode_from_name_truncated(struct kunit *test) { const char *name = "NTS"; int ret; ret = drm_get_tv_mode_from_name(name, strlen(name)); KUNIT_EXPECT_LT(test, ret, 0); }; static struct kunit_case drm_get_tv_mode_from_name_tests[] = { KUNIT_CASE_PARAM(drm_test_get_tv_mode_from_name_valid, drm_get_tv_mode_from_name_valid_gen_params), KUNIT_CASE(drm_test_get_tv_mode_from_name_truncated), { } }; static struct kunit_suite drm_get_tv_mode_from_name_test_suite = { .name = "drm_get_tv_mode_from_name", .test_cases = drm_get_tv_mode_from_name_tests, }; struct drm_hdmi_connector_get_broadcast_rgb_name_test { unsigned int kind; const char *expected_name; }; #define BROADCAST_RGB_TEST(_kind, _name) \ { \ .kind = _kind, \ .expected_name = _name, \ } static void drm_test_drm_hdmi_connector_get_broadcast_rgb_name(struct kunit *test) { const struct drm_hdmi_connector_get_broadcast_rgb_name_test *params = test->param_value; KUNIT_EXPECT_STREQ(test, drm_hdmi_connector_get_broadcast_rgb_name(params->kind), params->expected_name); } static const struct drm_hdmi_connector_get_broadcast_rgb_name_test drm_hdmi_connector_get_broadcast_rgb_name_valid_tests[] = { BROADCAST_RGB_TEST(DRM_HDMI_BROADCAST_RGB_AUTO, "Automatic"), BROADCAST_RGB_TEST(DRM_HDMI_BROADCAST_RGB_FULL, "Full"), BROADCAST_RGB_TEST(DRM_HDMI_BROADCAST_RGB_LIMITED, "Limited 16:235"), }; static void drm_hdmi_connector_get_broadcast_rgb_name_valid_desc(const struct drm_hdmi_connector_get_broadcast_rgb_name_test *t, char *desc) { sprintf(desc, "%s", t->expected_name); } KUNIT_ARRAY_PARAM(drm_hdmi_connector_get_broadcast_rgb_name_valid, drm_hdmi_connector_get_broadcast_rgb_name_valid_tests, drm_hdmi_connector_get_broadcast_rgb_name_valid_desc); static void drm_test_drm_hdmi_connector_get_broadcast_rgb_name_invalid(struct kunit *test) { KUNIT_EXPECT_NULL(test, drm_hdmi_connector_get_broadcast_rgb_name(3)); }; static struct kunit_case drm_hdmi_connector_get_broadcast_rgb_name_tests[] = { KUNIT_CASE_PARAM(drm_test_drm_hdmi_connector_get_broadcast_rgb_name, drm_hdmi_connector_get_broadcast_rgb_name_valid_gen_params), KUNIT_CASE(drm_test_drm_hdmi_connector_get_broadcast_rgb_name_invalid), { } }; static struct kunit_suite drm_hdmi_connector_get_broadcast_rgb_name_test_suite = { .name = "drm_hdmi_connector_get_broadcast_rgb_name", .test_cases = drm_hdmi_connector_get_broadcast_rgb_name_tests, }; struct drm_hdmi_connector_get_output_format_name_test { unsigned int kind; const char *expected_name; }; #define OUTPUT_FORMAT_TEST(_kind, _name) \ { \ .kind = _kind, \ .expected_name = _name, \ } static void drm_test_drm_hdmi_connector_get_output_format_name(struct kunit *test) { const struct drm_hdmi_connector_get_output_format_name_test *params = test->param_value; KUNIT_EXPECT_STREQ(test, drm_hdmi_connector_get_output_format_name(params->kind), params->expected_name); } static const struct drm_hdmi_connector_get_output_format_name_test drm_hdmi_connector_get_output_format_name_valid_tests[] = { OUTPUT_FORMAT_TEST(HDMI_COLORSPACE_RGB, "RGB"), OUTPUT_FORMAT_TEST(HDMI_COLORSPACE_YUV420, "YUV 4:2:0"), OUTPUT_FORMAT_TEST(HDMI_COLORSPACE_YUV422, "YUV 4:2:2"), OUTPUT_FORMAT_TEST(HDMI_COLORSPACE_YUV444, "YUV 4:4:4"), }; static void drm_hdmi_connector_get_output_format_name_valid_desc(const struct drm_hdmi_connector_get_output_format_name_test *t, char *desc) { sprintf(desc, "%s", t->expected_name); } KUNIT_ARRAY_PARAM(drm_hdmi_connector_get_output_format_name_valid, drm_hdmi_connector_get_output_format_name_valid_tests, drm_hdmi_connector_get_output_format_name_valid_desc); static void drm_test_drm_hdmi_connector_get_output_format_name_invalid(struct kunit *test) { KUNIT_EXPECT_NULL(test, drm_hdmi_connector_get_output_format_name(4)); }; static struct kunit_case drm_hdmi_connector_get_output_format_name_tests[] = { KUNIT_CASE_PARAM(drm_test_drm_hdmi_connector_get_output_format_name, drm_hdmi_connector_get_output_format_name_valid_gen_params), KUNIT_CASE(drm_test_drm_hdmi_connector_get_output_format_name_invalid), { } }; static struct kunit_suite drm_hdmi_connector_get_output_format_name_test_suite = { .name = "drm_hdmi_connector_get_output_format_name", .test_cases = drm_hdmi_connector_get_output_format_name_tests, }; static void drm_test_drm_connector_attach_broadcast_rgb_property(struct kunit *test) { struct drm_connector_init_priv *priv = test->priv; struct drm_connector *connector = &priv->connector; struct drm_property *prop; int ret; ret = drmm_connector_init(&priv->drm, connector, &dummy_funcs, DRM_MODE_CONNECTOR_HDMIA, &priv->ddc); KUNIT_ASSERT_EQ(test, ret, 0); ret = drm_connector_attach_broadcast_rgb_property(connector); KUNIT_ASSERT_EQ(test, ret, 0); prop = connector->broadcast_rgb_property; KUNIT_ASSERT_NOT_NULL(test, prop); KUNIT_EXPECT_NOT_NULL(test, drm_mode_obj_find_prop_id(&connector->base, prop->base.id)); } static void drm_test_drm_connector_attach_broadcast_rgb_property_hdmi_connector(struct kunit *test) { struct drm_connector_init_priv *priv = test->priv; struct drm_connector *connector = &priv->connector; struct drm_property *prop; int ret; ret = drmm_connector_hdmi_init(&priv->drm, connector, "Vendor", "Product", &dummy_funcs, &dummy_hdmi_funcs, DRM_MODE_CONNECTOR_HDMIA, &priv->ddc, BIT(HDMI_COLORSPACE_RGB), 8); KUNIT_EXPECT_EQ(test, ret, 0); ret = drm_connector_attach_broadcast_rgb_property(connector); KUNIT_ASSERT_EQ(test, ret, 0); prop = connector->broadcast_rgb_property; KUNIT_ASSERT_NOT_NULL(test, prop); KUNIT_EXPECT_NOT_NULL(test, drm_mode_obj_find_prop_id(&connector->base, prop->base.id)); } static struct kunit_case drm_connector_attach_broadcast_rgb_property_tests[] = { KUNIT_CASE(drm_test_drm_connector_attach_broadcast_rgb_property), KUNIT_CASE(drm_test_drm_connector_attach_broadcast_rgb_property_hdmi_connector), { } }; static struct kunit_suite drm_connector_attach_broadcast_rgb_property_test_suite = { .name = "drm_connector_attach_broadcast_rgb_property", .init = drm_test_connector_init, .test_cases = drm_connector_attach_broadcast_rgb_property_tests, }; /* * Test that for a given mode, with 8bpc and an RGB output the TMDS * character rate is equal to the mode pixel clock. */ static void drm_test_drm_hdmi_compute_mode_clock_rgb(struct kunit *test) { struct drm_connector_init_priv *priv = test->priv; const struct drm_display_mode *mode; unsigned long long rate; struct drm_device *drm = &priv->drm; mode = drm_kunit_display_mode_from_cea_vic(test, drm, 16); KUNIT_ASSERT_NOT_NULL(test, mode); KUNIT_ASSERT_FALSE(test, mode->flags & DRM_MODE_FLAG_DBLCLK); rate = drm_hdmi_compute_mode_clock(mode, 8, HDMI_COLORSPACE_RGB); KUNIT_ASSERT_GT(test, rate, 0); KUNIT_EXPECT_EQ(test, mode->clock * 1000ULL, rate); } /* * Test that for a given mode, with 10bpc and an RGB output the TMDS * character rate is equal to 1.25 times the mode pixel clock. */ static void drm_test_drm_hdmi_compute_mode_clock_rgb_10bpc(struct kunit *test) { struct drm_connector_init_priv *priv = test->priv; const struct drm_display_mode *mode; unsigned long long rate; struct drm_device *drm = &priv->drm; mode = drm_kunit_display_mode_from_cea_vic(test, drm, 16); KUNIT_ASSERT_NOT_NULL(test, mode); KUNIT_ASSERT_FALSE(test, mode->flags & DRM_MODE_FLAG_DBLCLK); rate = drm_hdmi_compute_mode_clock(mode, 10, HDMI_COLORSPACE_RGB); KUNIT_ASSERT_GT(test, rate, 0); KUNIT_EXPECT_EQ(test, mode->clock * 1250, rate); } /* * Test that for the VIC-1 mode, with 10bpc and an RGB output the TMDS * character rate computation fails. */ static void drm_test_drm_hdmi_compute_mode_clock_rgb_10bpc_vic_1(struct kunit *test) { struct drm_connector_init_priv *priv = test->priv; const struct drm_display_mode *mode; unsigned long long rate; struct drm_device *drm = &priv->drm; mode = drm_kunit_display_mode_from_cea_vic(test, drm, 1); KUNIT_ASSERT_NOT_NULL(test, mode); rate = drm_hdmi_compute_mode_clock(mode, 10, HDMI_COLORSPACE_RGB); KUNIT_EXPECT_EQ(test, rate, 0); } /* * Test that for a given mode, with 12bpc and an RGB output the TMDS * character rate is equal to 1.5 times the mode pixel clock. */ static void drm_test_drm_hdmi_compute_mode_clock_rgb_12bpc(struct kunit *test) { struct drm_connector_init_priv *priv = test->priv; const struct drm_display_mode *mode; unsigned long long rate; struct drm_device *drm = &priv->drm; mode = drm_kunit_display_mode_from_cea_vic(test, drm, 16); KUNIT_ASSERT_NOT_NULL(test, mode); KUNIT_ASSERT_FALSE(test, mode->flags & DRM_MODE_FLAG_DBLCLK); rate = drm_hdmi_compute_mode_clock(mode, 12, HDMI_COLORSPACE_RGB); KUNIT_ASSERT_GT(test, rate, 0); KUNIT_EXPECT_EQ(test, mode->clock * 1500, rate); } /* * Test that for the VIC-1 mode, with 12bpc and an RGB output the TMDS * character rate computation fails. */ static void drm_test_drm_hdmi_compute_mode_clock_rgb_12bpc_vic_1(struct kunit *test) { struct drm_connector_init_priv *priv = test->priv; const struct drm_display_mode *mode; unsigned long long rate; struct drm_device *drm = &priv->drm; mode = drm_kunit_display_mode_from_cea_vic(test, drm, 1); KUNIT_ASSERT_NOT_NULL(test, mode); rate = drm_hdmi_compute_mode_clock(mode, 12, HDMI_COLORSPACE_RGB); KUNIT_EXPECT_EQ(test, rate, 0); } /* * Test that for a mode with the pixel repetition flag, the TMDS * character rate is indeed double the mode pixel clock. */ static void drm_test_drm_hdmi_compute_mode_clock_rgb_double(struct kunit *test) { struct drm_connector_init_priv *priv = test->priv; const struct drm_display_mode *mode; unsigned long long rate; struct drm_device *drm = &priv->drm; mode = drm_kunit_display_mode_from_cea_vic(test, drm, 6); KUNIT_ASSERT_NOT_NULL(test, mode); KUNIT_ASSERT_TRUE(test, mode->flags & DRM_MODE_FLAG_DBLCLK); rate = drm_hdmi_compute_mode_clock(mode, 8, HDMI_COLORSPACE_RGB); KUNIT_ASSERT_GT(test, rate, 0); KUNIT_EXPECT_EQ(test, (mode->clock * 1000ULL) * 2, rate); } /* * Test that the TMDS character rate computation for the VIC modes * explicitly listed in the spec as supporting YUV420 succeed and return * half the mode pixel clock. */ static void drm_test_connector_hdmi_compute_mode_clock_yuv420_valid(struct kunit *test) { struct drm_connector_init_priv *priv = test->priv; const struct drm_display_mode *mode; struct drm_device *drm = &priv->drm; unsigned long long rate; unsigned int vic = *(unsigned int *)test->param_value; mode = drm_kunit_display_mode_from_cea_vic(test, drm, vic); KUNIT_ASSERT_NOT_NULL(test, mode); KUNIT_ASSERT_FALSE(test, mode->flags & DRM_MODE_FLAG_DBLCLK); rate = drm_hdmi_compute_mode_clock(mode, 8, HDMI_COLORSPACE_YUV420); KUNIT_ASSERT_GT(test, rate, 0); KUNIT_EXPECT_EQ(test, (mode->clock * 1000ULL) / 2, rate); } static const unsigned int drm_hdmi_compute_mode_clock_yuv420_vic_valid_tests[] = { 96, 97, 101, 102, 106, 107, }; static void drm_hdmi_compute_mode_clock_yuv420_vic_desc(const unsigned int *vic, char *desc) { sprintf(desc, "VIC %u", *vic); } KUNIT_ARRAY_PARAM(drm_hdmi_compute_mode_clock_yuv420_valid, drm_hdmi_compute_mode_clock_yuv420_vic_valid_tests, drm_hdmi_compute_mode_clock_yuv420_vic_desc); /* * Test that for a given mode listed supporting it and an YUV420 output * with 10bpc, the TMDS character rate is equal to 0.625 times the mode * pixel clock. */ static void drm_test_connector_hdmi_compute_mode_clock_yuv420_10_bpc(struct kunit *test) { struct drm_connector_init_priv *priv = test->priv; const struct drm_display_mode *mode; struct drm_device *drm = &priv->drm; unsigned int vic = drm_hdmi_compute_mode_clock_yuv420_vic_valid_tests[0]; unsigned long long rate; mode = drm_kunit_display_mode_from_cea_vic(test, drm, vic); KUNIT_ASSERT_NOT_NULL(test, mode); KUNIT_ASSERT_FALSE(test, mode->flags & DRM_MODE_FLAG_DBLCLK); rate = drm_hdmi_compute_mode_clock(mode, 10, HDMI_COLORSPACE_YUV420); KUNIT_ASSERT_GT(test, rate, 0); KUNIT_EXPECT_EQ(test, mode->clock * 625, rate); } /* * Test that for a given mode listed supporting it and an YUV420 output * with 12bpc, the TMDS character rate is equal to 0.75 times the mode * pixel clock. */ static void drm_test_connector_hdmi_compute_mode_clock_yuv420_12_bpc(struct kunit *test) { struct drm_connector_init_priv *priv = test->priv; const struct drm_display_mode *mode; struct drm_device *drm = &priv->drm; unsigned int vic = drm_hdmi_compute_mode_clock_yuv420_vic_valid_tests[0]; unsigned long long rate; mode = drm_kunit_display_mode_from_cea_vic(test, drm, vic); KUNIT_ASSERT_NOT_NULL(test, mode); KUNIT_ASSERT_FALSE(test, mode->flags & DRM_MODE_FLAG_DBLCLK); rate = drm_hdmi_compute_mode_clock(mode, 12, HDMI_COLORSPACE_YUV420); KUNIT_ASSERT_GT(test, rate, 0); KUNIT_EXPECT_EQ(test, mode->clock * 750, rate); } /* * Test that for a given mode, the computation of the TMDS character * rate with 8bpc and a YUV422 output succeeds and returns a rate equal * to the mode pixel clock. */ static void drm_test_connector_hdmi_compute_mode_clock_yuv422_8_bpc(struct kunit *test) { struct drm_connector_init_priv *priv = test->priv; const struct drm_display_mode *mode; struct drm_device *drm = &priv->drm; unsigned long long rate; mode = drm_kunit_display_mode_from_cea_vic(test, drm, 16); KUNIT_ASSERT_NOT_NULL(test, mode); KUNIT_ASSERT_FALSE(test, mode->flags & DRM_MODE_FLAG_DBLCLK); rate = drm_hdmi_compute_mode_clock(mode, 8, HDMI_COLORSPACE_YUV422); KUNIT_ASSERT_GT(test, rate, 0); KUNIT_EXPECT_EQ(test, mode->clock * 1000, rate); } /* * Test that for a given mode, the computation of the TMDS character * rate with 10bpc and a YUV422 output succeeds and returns a rate equal * to the mode pixel clock. */ static void drm_test_connector_hdmi_compute_mode_clock_yuv422_10_bpc(struct kunit *test) { struct drm_connector_init_priv *priv = test->priv; const struct drm_display_mode *mode; struct drm_device *drm = &priv->drm; unsigned long long rate; mode = drm_kunit_display_mode_from_cea_vic(test, drm, 16); KUNIT_ASSERT_NOT_NULL(test, mode); KUNIT_ASSERT_FALSE(test, mode->flags & DRM_MODE_FLAG_DBLCLK); rate = drm_hdmi_compute_mode_clock(mode, 10, HDMI_COLORSPACE_YUV422); KUNIT_ASSERT_GT(test, rate, 0); KUNIT_EXPECT_EQ(test, mode->clock * 1000, rate); } /* * Test that for a given mode, the computation of the TMDS character * rate with 12bpc and a YUV422 output succeeds and returns a rate equal * to the mode pixel clock. */ static void drm_test_connector_hdmi_compute_mode_clock_yuv422_12_bpc(struct kunit *test) { struct drm_connector_init_priv *priv = test->priv; const struct drm_display_mode *mode; struct drm_device *drm = &priv->drm; unsigned long long rate; mode = drm_kunit_display_mode_from_cea_vic(test, drm, 16); KUNIT_ASSERT_NOT_NULL(test, mode); KUNIT_ASSERT_FALSE(test, mode->flags & DRM_MODE_FLAG_DBLCLK); rate = drm_hdmi_compute_mode_clock(mode, 12, HDMI_COLORSPACE_YUV422); KUNIT_ASSERT_GT(test, rate, 0); KUNIT_EXPECT_EQ(test, mode->clock * 1000, rate); } static struct kunit_case drm_hdmi_compute_mode_clock_tests[] = { KUNIT_CASE(drm_test_drm_hdmi_compute_mode_clock_rgb), KUNIT_CASE(drm_test_drm_hdmi_compute_mode_clock_rgb_10bpc), KUNIT_CASE(drm_test_drm_hdmi_compute_mode_clock_rgb_10bpc_vic_1), KUNIT_CASE(drm_test_drm_hdmi_compute_mode_clock_rgb_12bpc), KUNIT_CASE(drm_test_drm_hdmi_compute_mode_clock_rgb_12bpc_vic_1), KUNIT_CASE(drm_test_drm_hdmi_compute_mode_clock_rgb_double), KUNIT_CASE_PARAM(drm_test_connector_hdmi_compute_mode_clock_yuv420_valid, drm_hdmi_compute_mode_clock_yuv420_valid_gen_params), KUNIT_CASE(drm_test_connector_hdmi_compute_mode_clock_yuv420_10_bpc), KUNIT_CASE(drm_test_connector_hdmi_compute_mode_clock_yuv420_12_bpc), KUNIT_CASE(drm_test_connector_hdmi_compute_mode_clock_yuv422_8_bpc), KUNIT_CASE(drm_test_connector_hdmi_compute_mode_clock_yuv422_10_bpc), KUNIT_CASE(drm_test_connector_hdmi_compute_mode_clock_yuv422_12_bpc), { } }; static struct kunit_suite drm_hdmi_compute_mode_clock_test_suite = { .name = "drm_test_connector_hdmi_compute_mode_clock", .init = drm_test_connector_init, .test_cases = drm_hdmi_compute_mode_clock_tests, }; kunit_test_suites( &drmm_connector_hdmi_init_test_suite, &drmm_connector_init_test_suite, &drm_connector_attach_broadcast_rgb_property_test_suite, &drm_get_tv_mode_from_name_test_suite, &drm_hdmi_compute_mode_clock_test_suite, &drm_hdmi_connector_get_broadcast_rgb_name_test_suite, &drm_hdmi_connector_get_output_format_name_test_suite ); MODULE_AUTHOR("Maxime Ripard "); MODULE_DESCRIPTION("Kunit test for drm_modes functions"); MODULE_LICENSE("GPL");